* {
  margin: 0;
  padding: 0;
}

body {
  padding: 20px;
}

.box {
  width: 768px;
  height: 352px;
  margin: 0 auto;
  border: 1px solid #00aeec;
  border-radius: 8px;
  font-size: 16px;
}

.box .box-title {
  font-size: 20px;
  width: 100%;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  border-bottom: 1px solid #ff9214;
}

.box .all {
  width: 100%;
}

.box .all .nav {
  position: relative;
  width: 100%;
  height: 50px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  border-bottom: 1px solid #ff9214;
}

.box .all .nav .nav-item {
  flex-grow: 1;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.box .all .nav .mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 25%;
  height: 100%;
  box-sizing: border-box;
  border-bottom: 4px solid #ff9214;
  background-color: transparent;
}

.box .all .all-content {
  width: 100%;
  height: 230px;
}

.box .all .all-content-detail {
  display: flex;
  flex-wrap: wrap;
  margin: 20px 10px;
  opacity: 0;
  animation: cat 0.3s linear forwards;
}

.box .all .all-content-detail .detail-item {
  width: 25%;
  height: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.box .all .all-content-detail .detail-item > div {
  width: 100%;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
}

.box .all .all-content-detail .detail-item > div:nth-child(2) {
  font-size: 13px;
}

.box .all .line {
  width: 100%;
  height: 1px;
  box-sizing: border-box;
  border-bottom: 1px solid #ff9214;
}

.box .all .content-footer {
  display: flex;
  margin: 20px 10px;
  animation: cat 0.3s linear forwards;
}

.box .all .content-footer .cf-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.box .all .content-footer .cf-item > div {
  width: 100%;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
}

.box .all .content-footer .cf-item .number {
  font-size: 13px;
}

@keyframes cat {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
